ES452056A1 - Procedimiento para la obtencion de acido fluorhidrico con- centrado altamente puro. - Google Patents

Procedimiento para la obtencion de acido fluorhidrico con- centrado altamente puro.

Info

Publication number
ES452056A1
ES452056A1 ES452056A ES452056A ES452056A1 ES 452056 A1 ES452056 A1 ES 452056A1 ES 452056 A ES452056 A ES 452056A ES 452056 A ES452056 A ES 452056A ES 452056 A1 ES452056 A1 ES 452056A1
Authority
ES
Spain
Prior art keywords
h2so4
preliminary
sulfuric acid
washing
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES452056A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES452056A1 publication Critical patent/ES452056A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
ES452056A 1975-10-02 1976-10-01 Procedimiento para la obtencion de acido fluorhidrico con- centrado altamente puro. Expired ES452056A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2543965A DE2543965C3 (de) 1975-10-02 1975-10-02 Verfahren zur Reinigung von Reaktionsgasen der Flußsäureherstellung

Publications (1)

Publication Number Publication Date
ES452056A1 true ES452056A1 (es) 1977-10-01

Family

ID=5958042

Family Applications (1)

Application Number Title Priority Date Filing Date
ES452056A Expired ES452056A1 (es) 1975-10-02 1976-10-01 Procedimiento para la obtencion de acido fluorhidrico con- centrado altamente puro.

Country Status (10)

Country Link
BE (1) BE846827A (it)
BR (1) BR7606566A (it)
CS (1) CS196325B2 (it)
DE (1) DE2543965C3 (it)
ES (1) ES452056A1 (it)
FR (1) FR2326378A1 (it)
GB (1) GB1567778A (it)
IT (1) IT1066315B (it)
NL (1) NL7610844A (it)
ZA (1) ZA765894B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11325063B2 (en) * 2020-08-31 2022-05-10 Beijing University Of Chemical Technology Production device and production method of electronic grade hydrofluoric acid

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032371A (en) * 1989-02-27 1991-07-16 Mallinckrodt Specialty Chemicals Co. Process for the continuous recovery of hydrogen fluoride gas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725536A (en) 1968-02-26 1973-04-03 R Gentili Method of the continuous production of hydrofluoric acid
DE2209960C3 (de) 1972-03-02 1979-10-11 Bayer Ag, 5090 Leverkusen Verfahren zur Aufarbeitung von Fluorwasserstoff-haltigen Rohgasen der Flußsäureherstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11325063B2 (en) * 2020-08-31 2022-05-10 Beijing University Of Chemical Technology Production device and production method of electronic grade hydrofluoric acid

Also Published As

Publication number Publication date
GB1567778A (en) 1980-05-21
ZA765894B (en) 1977-09-28
NL7610844A (nl) 1977-04-05
BE846827A (fr) 1977-04-01
IT1066315B (it) 1985-03-04
FR2326378A1 (fr) 1977-04-29
DE2543965B2 (de) 1980-10-16
DE2543965C3 (de) 1981-07-09
DE2543965A1 (de) 1977-04-07
FR2326378B1 (it) 1980-05-30
CS196325B2 (cs) 1980-03-31
BR7606566A (pt) 1977-05-31

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